I have a 74 C60 with a 292 and dump box. I'v just got done replacing the master cylinder and Hydrovac. We use it to haul stuff for the horses. Rock, (Washignton has lots of mud) horse crap, lots of that tooo. I hope to rebuild it a bit at a time, but not really sure if I'm up to it or not. It's got a bit of rust, but runs pretty well. Leaks a bit, but one thing at a time. Next on the things to do list. Fab up a bracket for the hydrovac/rear end breathers. Connect the dump box/valve cable and perhaps some new door bushings.